Assertion : Pyramid of energy may be upright or inverted. Reason: Only 20% of energy goes to next tr

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12.Ecosystem

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Assertion : Pyramid of energy may be upright or inverted.
Reason: Only $20\%$ of energy goes to next trophic level.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If both the Assertion and Reason are incorrect.

(AIIMS-2011)

Solution

Energy flow in the ecosystem is a unidirectional manner. There is a decline in the amount of energy passing from one trophic level to the next. Thus the pyramid of energy is always upright. According to Lindemann, only $10\%$ of energy goes to next trophic level.

Standard 12

Biology

Which one of the following is not used for construction of ecological pyramids ?

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(AIPMT-2006)

If producer is a large tree that supports a number of herbivorous animals which are further attacked by ectoparasites, the pyramid of number shall be

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In lake ecosystem, pyramid biomass is

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In forest ecosystem, pyramid of number is

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Pyramid of energy is

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Assertion : Pyramid of energy may be upright or inverted. Reason: Only $20\%$ of energy goes to next trophic level.

Solution

Similar Questions

Which one of the following is not used for construction of ecological pyramids ?

If producer is a large tree that supports a number of herbivorous animals which are further attacked by ectoparasites, the pyramid of number shall be

In lake ecosystem, pyramid biomass is

In forest ecosystem, pyramid of number is

Pyramid of energy is

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Assertion : Pyramid of energy may be upright or inverted.
Reason: Only $20\%$ of energy goes to next trophic level.